Vacuum System, Checking; Intake Flap Control Vacuum Actuator, Removing And Installing - Audi Q7 2007 Repair Manual

2.2

Vacuum System, Checking

Special tools and workshop equipment required
♦ Hand Vacuum Pump - VAS6213-
Procedure
– Check all vacuum lines in the vacuum system for:
♦ Cracks
♦ Damage caused by animals
♦ Pinching
♦ Porous locations and other leaks
– Check the vacuum lines leading both to and from the solenoid
valve to the respective component.
– If there is a fault, check the vacuum lines for the named com‐
ponent, but also all the vacuum lines to the other components.
– If using the Hand Vacuum Pump - VAS6213- and does not
produce any vacuum or if the vacuum drops again right away,
then check the hand vacuum pump and the connection hoses
for leaks.
2.3 Intake Flap Control Vacuum Actuator,
Removing and Installing
⇒ "2.3.1 Intake Flap Control Vacuum Actuator, Removing and In‐
stalling, Cylinder Bank 1 (Right)", page 9
⇒ "2.3.2 Intake Flap Control Vacuum Actuator, Removing and In‐
stalling, Cylinder Bank 2 (Left)", page 10
2.3.1 Intake Flap Control Vacuum Actuator,
Removing and Installing, Cylinder Bank
1 (Right)
Special tools and workshop equipment required
♦ Commercially available Torx socket wrench or Bit 10 with ball
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
head
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
♦ Commercially available -Magnetic Rod-
Removing
– Remove the front engine cover. Refer to
⇒ "3.4 Engine Covers, Removing and Installing", page 27
– Disconnect the secondary air injection hose -1- at the sepa‐
rating point -2- and free up the bracket.
Fuel Injection and Ignition - Edition 02.2015
.
Audi Q7 2007 ➤
2. Vacuum System
9